Finding the Fourth Proportional to 147,191,203.85, 203,125,204.63 and 81,114,072.94
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Solution
The fourth proportional to 147,191,203.85, 203,125,204.63 and 81,114,072.94 is: 111,938,160.92
Step by Step Solution
- Step 1: Write the proportion equation
147,191,203.85 : 203,125,204.63 = 81,114,072.94 : x - Step 2: Convert to fraction form
147,191,203.85/203,125,204.63 = 81,114,072.94/x - Step 3: Cross multiply
147,191,203.85x = 203,125,204.63 × 81,114,072.94 - Step 4: Simplify right side
147,191,203.85x = 16,476,312,662,889,050 - Step 5: Solve for x
x = 16,476,312,662,889,050/147,191,203.85 - Step 6: Final answer
x = 111,938,160.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.